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Roland TR-808 service notes

Publication date: 1983-07-12

Topics: pin, cpu, output, signal, data, tempo, trig, generator, sound, power, common trig, tempo clock, sound generator, main board, decay time, instrument data, sound generators, trigger pulse, power supply, long nut

Collection: synthmanuals-roland; synthmanuals; manuals; additional_collections

Language: English

Service notes for the Roland TR-808. Specifications, panel removal, chip diagrams, TR-808 circuit description, main board diagram, switch board diagram, jack board A diagram, power supply diagram, voicing board diagram, adjustment, checking voices, troubleshooting, DC supply, status switch scanning, RAM stored data, trigger pulse, design changes & improvements, parts list. First edition, second printing, Roland Corporation, July 12 1983.